Question 1

The formation of the ________ cavity and the differentiation of the embryonic disk into ectoderm and endoderm occurs at the end of the pre-embryonic period of development.

Accepted Answer

The answer of The formation of the ________ cavity and...

Question 2

The entire duration of a person's life is referred to as ________.

Accepted Answer

The answer of The entire duration of a person's life...

Question 3

Labor is a highly coordinated event that requires the participation of numerous signaling molecules. Discuss how hormones help coordinate the events of labor to ensure that a child is delivered quickly.

Accepted Answer

The answer of Labor is a highly coordinated event that...

Question 4

The spontaneous ending of a pregnancy that results in the premature expulsion of the embryo is termed a(n) ________.

Accepted Answer

The answer of The spontaneous ending of a pregnancy that...

Question 5

During labor, full dilation of the cervix signifies the end of the ________ stage.

Accepted Answer

The answer of During labor, full dilation of the cervix...

Question 6

Adolescence is marked by maturation of the reproductive organs and the human sexual response, an event known as ________.

Accepted Answer

The answer of Adolescence is marked by maturation of the...

Question 7

Ejection of milk from the breasts is caused by the hormone ________.

Accepted Answer

The answer of Ejection of milk from the breasts is...

Question 8

For fertilization to occur in humans, the sperm cells have a long journey to complete before reaching an egg. If a sperm reaches an egg, fertilization is still not complete. What events must happen for fertilization to be complete?

Accepted Answer

The answer of For fertilization to occur in humans, the...

Question 9

The extra-embryonic membrane known as the ________ is the source of germ cells that eventually develop into gametes.

Accepted Answer

The answer of The extra-embryonic membrane known as the ________...

Question 10

Match between columns
                        Premises: shunt between the pulmonary artery and the aorta that causes most of the blood to bypass the lungs
structure that transports deoxygenated blood from the fetus to the placenta
structure that transports oxygenated blood from the placenta to the fetus
opening located between the right atrium and the left atrium
shunt that bypasses the liver

Accepted Answer

The Answer of ductus venosus and foramen ovale and umbilical is...

Question 11

Match between columns
                        Premises: liver and pancreas
bone marrow
lining of vagina
skeletal muscle
enamel of teeth
nervous system

Accepted Answer

The Answer of ctoderm and mesoderm and ectoderm and endoderm is...

Question 12

Match between columns
                        Premises: cells divide rapidly, resulting in a ball of unspecialized cells
embryo undergoes rapid change in shape and form
cells take on a certain structure and function
cells increase in number and size

Accepted Answer

The Answer of differentiation and morphogenesis and cleavage and growth is...

Quiz 21: Development and Aging